RipStik "G" - The RipStik "G" is an extreme grinding machine! The spinning aluminum G-Tube allows for super smooth grinds! The RipStik "G" Caster Board brings the carving thrill of surfing and snowboarding to dry land! Its unique twisting motion moves you forward without ever pushing off the ground! All you do is twist and go! The RipStik "G" Caster Board, get your grind on!